Home / 148,315.48-222,510.20-48,481.36

Finding the Fourth Proportional to 148,315.48, 222,510.20 and 48,481.36

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Solution

The fourth proportional to 148,315.48, 222,510.20 and 48,481.36 is: 72,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,315.48 : 222,510.20 = 48,481.36 : x
  2. Step 2: Convert to fraction form
    148,315.48/222,510.20 = 48,481.36/x
  3. Step 3: Cross multiply
    148,315.48x = 222,510.20 × 48,481.36
  4. Step 4: Simplify right side
    148,315.48x = 10,787,597,109.87
  5. Step 5: Solve for x
    x = 10,787,597,109.87/148,315.48
  6. Step 6: Final answer
    x = 72,734.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.